    <form action="" method="POST" id="myform">
      {{csrf_field()}}
        <div class="box-body">
              <div class="form-group">
                <label>分成比例：</label>
                <input type="number" name="divide" min="0" max="100" class="form-control" placeholder="请输入推广员分成比例（整数）" value="{{$agent->divide}}">
              </div>
              <span style="color:red" id="err_divide"></span>

        </div>
    </form>